CN205679319U - Metal material surface dynamic temperature point based on reflectance change measures system - Google Patents
Metal material surface dynamic temperature point based on reflectance change measures system Download PDFInfo
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- CN205679319U CN205679319U CN201620604913.9U CN201620604913U CN205679319U CN 205679319 U CN205679319 U CN 205679319U CN 201620604913 U CN201620604913 U CN 201620604913U CN 205679319 U CN205679319 U CN 205679319U
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Abstract
The utility model discloses a kind of metal material surface dynamic temperature point based on reflectance change and measure system, including heated light sources, described heated light sources connects metal sample, metal-plated membrane layer material on metal sample, on the path of the heating laser bundle that metal sample is arranged on heated light sources injection, metal sample connects has reflective light intensity to change test system, and reflective light intensity change test system connects opto-electronic conversion trigger.Native system can obtain have high heat conductance characteristic, cause cannot sweating heat galvanic couple such as the dynamic temperature data of the common metal material surface such as aluminium alloy, copper, realize analysis and the assessment of metal material laser irradiation heat effect, there is provided foundation for the laser processing procedure such as cut, laser cleaning optimizes laser parameter, reach to improve laser energy utilizing rate, reduce the economic interests such as processing cost.
Description
Technical field
This utility model belongs to the measurement system of optical field, is specifically related to a kind of metal material based on reflectance change
Surface dynamic temperature point measures system.
Background technology
Laser has purposes and wide expansion prospect widely at military, civil area, as clear in laser welding, laser
Wash, cut etc..The heat effect that laser irradiation metal material produces is in all manifold effects of Reciprocity of Laser & Materials
Kind, temperature, as characterization parameter important in heat effect, is to need in material laser irradiation effect and study mechanism primarily to measure
Parameter.Therefore, state, the inside and outside foundation the most all taking much count of metal material surface dynamic temperature measurement System and method for and change
Enter, to meet the demand of associated laser technology application.
At present, home and abroad is for the measurement of temperature effects parameter in Reciprocity of Laser & Materials research, how to use heat
The devices such as galvanic couple, thermal infrared imager and radiant-energy thermometer or equipment are main.Aluminium alloy, copper etc. are as more conventional metal material
Material, due to the thermophysical property that its thermal conductivity is big, existing thermocouple welding mode (electric discharge welding, laser welding, argon arc welding
Deng) thermocouple cannot be stabilized in material non-Stimulated Light irradiating surface, implement to measure.Furthermore with thermocouple to material temperature
Measurement needs to be stabilized in measurement position, has certain bulk requirement, utilizes thermocouple to carry out temperature survey simultaneously,
Probe reaches hygral equilibrium with measurement point and needs the regular hour so that it cannot preferably obtain if material is at nanoseconds chi
Transient temperature change histories in the range of degree.The thermal infrared imager measurement to temperature, needs with the transmitting knowing material exactly
Premised on rate, having certain limitation, Product-level thermal infrared imager is relatively slow at measurement response time simultaneously, mostly is millisecond
Magnitude, it is impossible to meet higher than the transient temperature measuring under millisecond magnitude time scale scope；Product-level thermal infrared imager rings simultaneously
Between Ying Shi the fastest, instrument price is the most expensive.Radiant-energy thermometer can preferably be used in the temperature range of more than 2000K, but right
Cannot realize accurately measuring in this temperature range of room temperature to 1000K.
Utility model content
For obtaining in laser irradiation process, there is high heat conductance, causing cannot the sweating heat galvanic couple such as metal such as aluminium alloy, copper
The dynamic temperature data of material non-Stimulated Light irradiating surface focus, this utility model provides metal based on reflectance change
Material surface dynamic temperature point measures system.
This utility model is achieved through the following technical solutions:
Metal material surface dynamic temperature point based on reflectance change measures system, including heated light sources, described heating
It is that transmitting effect forms connection, metal-plated membrane on metal sample on experimental test target sample that light source connection has metal sample, light beam
Layer material, on the path of the heating laser bundle that metal sample is arranged on heated light sources injection, metal sample connects reflective light intensity
Change test system, reflective light intensity change test system connects opto-electronic conversion trigger.For obtaining in laser irradiation process, aluminum
Alloy, copper etc. have high heat conductance characteristic, cause and cannot weld the dynamic of thermocouple material non-Stimulated Light irradiating surface focus
Temperature data, it is achieved the accurate evaluation of material laser irradiation heat effect, and then reduce Laser Processing cost and improve utilization of energy
Efficiency, needs the measurement system of a kind of metal material surface dynamic temperature change badly, for preferably disclosing material laser irradiation effect
Mechanism is answered to assess with heat effect.At present, from the point of view of the document of the openest report, there is not yet the skill solving the problems referred to above
Art.By the metallic diaphragm material of spraying plating mirror status after a metal laboratory sample to be measured wherein surface finish, real for metal to be measured
Testing in sample laser action process, it is provided that the reflective light intensity delta data that metallic diaphragm material varies with temperature, this programme is swashing
While photoirradiation metal sample, synchro measure is illuminated metal-plated membrane layer material on metal sample non-laser irradiating surface
Reflective light intensity obtains reflectance delta data, unique with Temperature Scaling data by mirror status metallic diaphragm material reflectance
Corresponding relation, obtains the dynamic temperature data being illuminated metal sample in laser irradiation process, and makes the data obtained
Accuracy is high.
Reflective light intensity change test system includes that exploring laser light bundle, integrating sphere, photodetector and data acquiring and recording are deposited
Storage, is provided with beam splitter on the path of exploring laser light bundle, and photodetector is arranged on integrating sphere outer wall, and photodetection
Device is connected with data acquiring and recording memory, and data acquiring and recording memory is connected with opto-electronic conversion trigger；Exploring laser light bundle
The beam size acting on metallic diaphragm material surface is hundred micron dimensions, is considered as a measurement；Exploring laser light bundle is after beam splitter
Acting perpendicularly to metallic diaphragm material surface and be directed in integrating sphere, the light intensity of its reflection light beam is changed to vertical angle shape
State.Integrating sphere is the collection device of reflective light intensity change, and photodetector is the measurement device of reflective light intensity change, and it is arranged on
Integrating sphere detection mouth, the photodetector being arranged on integrating sphere detection mouth starts to measure the change of metallic diaphragm material reflective light intensity
While signal, data acquiring and recording memory synchronous acquisition and record variable signal data.Above-mentioned parts are all existing maturations
Product, it is possible to be the most directly commercially available.
It is provided with spectroscope on the path of the heating laser bundle of heated light sources injection, by spectroscope, light beam is guided to gold
Belong on surface and the opto-electronic conversion trigger of sample non-metal-plated membrane layer material.Heating laser bundle output action is in metal sample
While material surface, heating laser bundle triggers opto-electronic conversion trigger, causes the photodetection being arranged on integrating sphere detection mouth
Device starts the variable signal of synchro measure metallic diaphragm material reflective light intensity.Opto-electronic conversion trigger can be by metallic diaphragm material
Reflection light variable signal realizes synchro measure, and spectroscope is existing matured product, it is possible to be the most directly commercially available.
This utility model compared with prior art, has such advantages as and beneficial effect: native system can obtain has height
Thermal conductivity characteristics, cause cannot sweating heat galvanic couple such as the dynamic temperature data of the common metal material surface such as aluminium alloy, copper, real
Cash belongs to analysis and the assessment of material laser irradiation heat effect, for optimizing in the laser processing procedure such as cut, laser cleaning
Laser parameter provides foundation, reaches to improve laser energy utilizing rate, reduce the economic interests such as processing cost.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by this utility model embodiment, constitutes the one of the application
Part, is not intended that the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model structural representation；
Gold membrane material reflectance and the calibration relation figure of temperature when Fig. 2 is probing wave a length of 488nm.
The parts title of labelling and correspondence in accompanying drawing:
1-heating laser bundle, 2-spectroscope, 3-metal sample, 4-metallic diaphragm material, 5-beam splitter, 6-exploring laser light
Bundle, 7-integrating sphere, 8-photodetector, 9-data acquiring and recording memory, 10-opto-electronic conversion trigger, 11-guides light.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and explanation thereof are only used for explaining this
Utility model, is not intended as restriction of the present utility model.
Embodiment:
As it is shown in figure 1, polished by one of them surface optical of the metal sample 3 of heating laser bundle irradiation, utilize evaporation
Or the mode of magnetron sputtering is at the metallic diaphragm material 4 of this surface spraying plating micron dimension thickness, form metal laboratory sample to be measured,
The present embodiment preferably gold is as film material.Before metal laboratory sample to be measured is heated laser beam 1 effect, by exploring laser light bundle 6
Be coated with the focus of golden membranous layer material surface by beam splitter 5 perpendicular acting to metal laboratory sample to be measured, beam diameter is hundred
Micron dimension, its reflection light is directed in integrating sphere 7 again by beam splitter 5；Photodetector 8 stores with data acquiring and recording
Device 9 connects so that it is be in state to be measured.
Utilize and guide light 11 by heating laser bundle 1 by spectroscope 2 beam splitting, it is achieved a branch of be directed to metal to be measured experiment sample
Product are not coated with the surface of golden membranous layer material；Another bundle is directed to opto-electronic conversion trigger 10 so that heating laser bundle 1 irradiation is to be measured
During metal laboratory sample, golden membranous layer material reflection light variable signal can be arranged on the photodetection of integrating sphere detection mouth simultaneously
Device 8 is measured, and synchronization is gathered by data acquiring and recording memory 9, record.
When experiment is measured, opening heated light sources output heating laser bundle 1, heating laser bundle 1 adds Thermal test metal material
Meanwhile, opto-electronic conversion trigger 10 is heated laser beam 1 and acts on, and quickly forms electricity and triggers signal so that is arranged on integration talent scout
Survey the photodetector 8 synchro measure golden membranous layer material reflective light intensity variable signal of mouth, and data acquiring and recording memory 9 synchronizes
Gather and the delta data of record golden membranous layer material reflective light intensity, by the known initial reflectance of golden membranous layer material and corresponding reflection
The coefficient of correlation that light intensity voltage data is formed, during can calculating metal sample LASER HEATING, is coated with the anti-of golden membranous layer material
Penetrate rate delta data.Calibration corresponding relation one by one based on gold membrane material reflectance with temperature, as in figure 2 it is shown, can be gold film material
The golden film reflectance of material varies with temperature calibration curve, detects light beam wavelength 488nm, the variations in temperature of available golden membranous layer material
Data, owing to golden membranous layer material is micron dimension, this temperature-visualized is in laser irradiation process, the non-Stimulated Light of metal laboratory sample
The dynamic temperature data of irradiating surface focus.
Above-described detailed description of the invention, is entered the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be it should be understood that and the foregoing is only detailed description of the invention of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made are replaced
Change, improvement etc., within should be included in protection domain of the present utility model.
Claims (5)
1. metal material surface dynamic temperature point based on reflectance change measures system, it is characterised in that include heated light sources,
Described heated light sources connects metal sample (3), and the upper metal-plated membrane layer material (4) of metal sample (3), metal sample (3) sets
Putting on the path of the heating laser bundle (1) of heated light sources injection, metal sample (3) connects has reflective light intensity change to test system
System, reflective light intensity change test system connects opto-electronic conversion trigger (10).
Metal material surface dynamic temperature point based on reflectance change the most according to claim 1 measures system, and it is special
Levying and be, described reflective light intensity change test system includes exploring laser light bundle (6), integrating sphere (7), photodetector (8) sum
According to acquisition and recording memory (9), being provided with beam splitter (5) on the path of exploring laser light bundle (6), photodetector (8) is installed
On integrating sphere (7) outer wall, and photodetector (8) is connected with data acquiring and recording memory (9), and data acquiring and recording stores
Device (9) is connected with opto-electronic conversion trigger (10).
Metal material surface dynamic temperature point based on reflectance change the most according to claim 1 measures system, and it is special
Levy and be, the path of the heating laser bundle (1) of described heated light sources injection is provided with spectroscope (2), will by spectroscope (2)
Light beam guides to the surface and opto-electronic conversion trigger (10) of metal sample (3) non-metal-plated membrane layer material (4).
Metal material surface dynamic temperature point based on reflectance change the most according to claim 2 measures system, and it is special
Levying and be, the beam size that described exploring laser light bundle (6) acts on metallic diaphragm material (4) surface is hundred micron dimensions, is considered as
Point is measured.
Metal material surface dynamic temperature point based on reflectance change the most according to claim 2 measures system, and it is special
Levying and be, described exploring laser light bundle (6) acts perpendicularly to metallic diaphragm material (4) surface after beam splitter (5) and is directed to
In integrating sphere (7), the light intensity of its reflection light beam is changed to vertical angle state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620604913.9U CN205679319U (en) | 2016-06-20 | 2016-06-20 | Metal material surface dynamic temperature point based on reflectance change measures system |
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| CN201620604913.9U CN205679319U (en) | 2016-06-20 | 2016-06-20 | Metal material surface dynamic temperature point based on reflectance change measures system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928625A (en) * | 2016-06-20 | 2016-09-07 | 中国工程物理研究院流体物理研究所 | Metal surface dynamic temperature point measurement system based on reflectivity change and method |
| CN110763657A (en) * | 2019-11-20 | 2020-02-07 | 江苏赛诺格兰医疗科技有限公司 | Photoelectric digital conversion system for reflective material reflectivity test system |
-
2016
- 2016-06-20 CN CN201620604913.9U patent/CN205679319U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105928625A (en) * | 2016-06-20 | 2016-09-07 | 中国工程物理研究院流体物理研究所 | Metal surface dynamic temperature point measurement system based on reflectivity change and method |
| CN110763657A (en) * | 2019-11-20 | 2020-02-07 | 江苏赛诺格兰医疗科技有限公司 | Photoelectric digital conversion system for reflective material reflectivity test system |
| CN110763657B (en) * | 2019-11-20 | 2022-05-13 | 江苏赛诺格兰医疗科技有限公司 | Photoelectric digital conversion system for reflective material reflectivity test system |
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